Abstract

Inspired by green lotus leaf, we bio-designed a superhydrophobic gel nanocoating with green photo-luminescence. The ZnO ingredient was prepared by sol-gel method and then modified with stearic acid (STA) to obtain superhydrophobic nano-coating. The microstructures, wettability and photoluminescence of the ZnO were characterized by scanning electron microscopy, X-ray diffraction spectroscopy, contact angle analysis and fluorescence spectrophotometry. The experimental results of ZnO-STA show excellent superhydrophobicity on various substrates and intense green luminescence. These findings can open a new view for luminescent devices with self-cleaning advances.

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